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Details and Image
Item#
Type
Model No.
Match No.
Variant No.
Model Name
Maker
Country
Production or Serial No.
Material
Scale Length
Date
Condition
KEU318
Linear
4132
4414
n/a
Crane's Sewer
Keuffel & Esser
USA
67
Light colored wood with printed scales.
"10"
1913
C6
Notes:
"Special sliderule for use in making calculations for sewer flow given paramaters such as slope, pipe diameter, drainage area, etc. Special scales attributed to Albert S. Crane."
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Condition Code
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